技术文章列表
512 篇RAC性能分析 – gc buffer busy acquire 等待事件
概述———————gc buffer busy是RAC数据库中常见的等待事件,11g开始gc buffer busy分为gc buffer busy acq...
RAC性能分析 – gc buffer busy acquire 等待事件 (Oracle官方博客 – 数据库产品技术支持)_2
如果应用程序可以实现,那么我们建议不同的应用功能/模块数据分布在不同的数据库实例上被访问,避免同一数据被多个实例交叉访问,可以减少buffer的争用,避免gc等待。
RAC性能分析 – gc buffer busy acquire 等待事件 (Oracle官方博客 – 数据库产品技术支持)_1
By Jian Zhang-Oracle on 一月 20, 2014 概述 gc buffer busy是RAC数据库中常见的等待事件,11g开始gc buffer busy分为gc buffer busy acquire和gc buff...
RAC性能分析 – gc buffer busy acquire 等待事件 (Oracle官方博客 – 数据库产品技术支持)
By Jian Zhang-Oracle on 一月 20, 2014 概述 gc buffer busy是RAC数据库中常见的等待事件,11g开始gc buffer busy分为gc buffer busy acquire和gc buff...
RAC DataGuard配置
May 30, 2014 1.本文目的 DataGuard 是 Oracle 数据库的一个功能,能够提供数据库的冗余。冗余是通过创建一个备用(物理复制)数据库实现,备库最好是在不同的地理位置或者在不同的磁盘上。备库通过应用主库上的变化来保持...
RAC and Oracle Clusterware Best Practices and Starter Kit (AIX) (Doc ID 811293.1)
Purpose Scope Details RAC Assurance Support Team: RAC and Oracle Clusterware Starter Kit and Best Practices (Generic) RA...
RAC 1个节点监听无法启动TNS-12547: TNS:lost contact
Queries to Monitor Datapump Jobs
This post is to cover the queries that could be used to monitor the running Datapump Jobs.Without wasting anytime just p...
Performing Disaster Recovery using RMAN
# Performing Disaster Recovery using RMAN Here I will be explaining how to perform disaster recovery of a database serve...
PDF – www.shoug.info
SHOUG文档分享-ORACLE-数据库性能优化的常规方法-SHOUG成员-周亮.pdf
PDF – www.oracle.com_1
6-db-optimization-360099-zhs.pdf
PDF – www.oracle.com
5-database-tuning-backup-recovery2-133634-zhs.pdf
Password File Failing with: ORA-19505, and ORA-27037
Symptoms Cause Solution References Applies to: Oracle Database – Enterprise Edition – Version 11.2.0.1 and l...
OWB 11.2.0.3 New Feature – Partitioning Options (Doc ID 1349892.1)
Purpose Scope Details References Applies to: Oracle Warehouse Builder – Version 11.2.0.3 and later Information in ...
Out of Space Error while still Have Space
Recently I worked on a large database on a X-4 full rack Exadata for a few months. I am using sqlplus command every day ...
ORA_HASH to compare two tables_(sub)partitions
Posted by fsengonul on July 28, 2011 When you suggest a new method to move the data from one db to another db (previous ...
Oracle高水位线(HWM)及性能优化
–总共164352块–有7168块没有用过,也就是在HWM上面的块数– BLOCK ID 是针对数据文件来编号的,表示最后使用的一个EXTENT的第一个BLOCK的编号–在最后使用的一个EXT...
Oracle高水位查找方法
1. 高水位的介绍 数据库运行了一段时间,经过一些列的删除、插入、更改操作有些表的高水位线就有可能和实际的表存储数据的情况相差特别多,为了提高检索该表的效率,建议对这些表进行收缩; 1. 查找高水位线的表 1. 表的存储结构; —...
oracle面试题及其答案 – Oracle面试题
来自IT公司面试手册 分享给朋友:clear 下一篇:Oracle数据库面试题汇总 亲~ 如果您有更好的答案 可在评论区发表您独到的见解。 [最新]()[最早]()[最热]() [0条评论]() 还没有评论,沙发等你来抢 .社交帐号登录: ...